As far as I see, this plugin loads JS code in the post content. Enabling of JS code in the content is not secure. 5800 In any case, you can try to enable <script> and <style> HTML tags for wpForo posts, it may work... Navigate to Dashboard > Forums > Tools > Antispam Tab, scroll down and find the "Post Content" / "Allow extra HTML tags" section, then put the following line after the already existing content:

, script(), style()

Save it, delete all caches, then delete wpForo cache in Dashboard > Forums > Dashboard admin page by clicking the button.

Then create a new post with the shortcode. The old ones may not work.

As an information, I want to note, that there is no any wpForo addon which is designed for embedding such spreadsheets. This kind of content embeds lots of not-registered HTML tags like <script>, which are filtered for security reasons and cannot be displayed in the post. So I'm really sorry, but if the trick above doesn't help, then you don't have other ways to make it working. You'll not be able to use it in wpForo posts.

https://cannabisinvestingnewsletter.com/4front-ffntf-stock/

But I also asked for a page where it works, for a blog post page or some other page where it works. I need to see what HTML tags it loads on a working page.

Here is my direct link.  There is a .jpeg, WPTables as well as Supsystic.  It would not matter if you did this alone, but all three are present in this posting.  

Thanks for your help; I was not expecting this level of attention.  The forum is great and I like it a lot.  I’d be interested in a bit more functionality and I plan on cruising through the add-ones and seeing if you do some of these things.  

Please leave a direct link to the forum post with the "a spinning clock saying it is thinking".

And leave a URL to a WordPress post where it works. I want to see which HTML tags are stripped in the forum posts. So we could enable them and the issue should be removed.

I have also tried WP Tables.  That works.  But, I have about 1,000 Supsytic tables so, all of a sudden, I'm thinking I may have a lot of work to do.  I'm not in love with WPTables, so I may be looking for yet another version to input into the system.  

Try to put one spreadsheet shortcode in a forum post. It should work if the "Enable WordPress Shortcodes in Post Content" option is enabled in Dashboard > Forums > Settings > Features Tab.

Can I use the code button above from Custom Field and input some kind of code in order to get the ability to do spreadsheets inside my forum postings?